noun trun·nion \ˈtrən-yən\

Definition of TRUNNION

:  a pin or pivot on which something can be rotated or tilted; especially :  either of two opposite gudgeons on which a cannon is swiveled

Origin of TRUNNION

French trognon core, stump
First Known Use: circa 1625

Rhymes with TRUNNION


Next Word in the Dictionary: truss (transitive verb)Previous Word in the Dictionary: trunnelAll Words Near: trunnion
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears